APA

Schmidt P., .3000 Solved Problems In Precalculus. New York: Mc Graw-Hill.

Chicago

Schmidt Philip, .3000 Solved Problems In Precalculus. New York: Mc Graw-Hill.

Harvard

Schmidt P., .3000 Solved Problems In Precalculus. New York: Mc Graw-Hill.

MLA

Schmidt Philip, .New York: Mc Graw-Hill. .